Home / 53,472.76-80,152.34-20,178.72

Finding the Fourth Proportional to 53,472.76, 80,152.34 and 20,178.72

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Solution

The fourth proportional to 53,472.76, 80,152.34 and 20,178.72 is: 30,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,472.76 : 80,152.34 = 20,178.72 : x
  2. Step 2: Convert to fraction form
    53,472.76/80,152.34 = 20,178.72/x
  3. Step 3: Cross multiply
    53,472.76x = 80,152.34 × 20,178.72
  4. Step 4: Simplify right side
    53,472.76x = 1,617,371,525.31
  5. Step 5: Solve for x
    x = 1,617,371,525.31/53,472.76
  6. Step 6: Final answer
    x = 30,246.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.